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UTD1000L User Manual 21
1. Input 1kHz, 2Vpp sine signal into two channels, set coupling mode for both channels to DC,
press Shift+UTILITY and then F3 to set DC autoset to off. If AUTOSET is applied, the coupling
mode is switched to AC mode.
2. Input 1kHz, 2Vpp sine signal into two channels, then set AC coupling for one channel and DC
mode to the other. When AUTOSET is applied, the coupling modes for both channels keep
unchanged.
4.11 Full Autoset for Input Signal
UTD1000L can offer creative auto function to capture input signal. With this function
applied, the Oscilloscope varies ranges accordingly based on the input signal until the proper
waveform display can be obtained without any manual interference.
To perform autoset function, do the following:
1. Press SHIFT button, the shift icon shows on upper right corner of the screen
2. Press AUTO button, when A icon displays on the screen, autoset function has already
turned on;
Note: When the model is UTD1000DL and both of its two channels have signals, the signal
from the trigger source channel will be automatically displayed and the other channel will
turn off under autoset mode; if there is only one channel input with signals, this channel
signal will be automatically selected and displayed no matter which channel has been
choosen as the trigger source.
Figure 4-9 Full Autoset
Note:
1. Under autoset mode, trigger mode is set to “Auto” and cannot change.
2. Once you are in autoset mode, following settings are forced to execute:
(1) The Oscilloscope will switch into main timebase status if the current display isn’t under
this status;
(2) The coupling mode will be set to AC mode and allows no change.
3. Any adjustment on the vertical scale or horizontal timebase of the Oscilloscope that has
changed waveform vertical or horizontal location will make the Oscilloscope automatically exit
autoset mode.
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